Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8SIM callsign genealogy
Currently held by BERKMAN, OWEN
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K8SIM's current licensee, walking backwards.
- Simms, KennethOHgranted 2022-02-22cancelled 2022-04-05
Successor callsigns
Callsigns held now by people who previously held K8SIM.
- Simms, KennethOHgranted 2022-06-03
All historical holders
Every license row we've seen with the callsign K8SIM, oldest first.
- BERKMAN, OWEN OH1997-02-06 → cancelled 2009-02-07
- Simms, Kenneth OH2022-04-05 → cancelled 2022-06-03